Loose-leaf binder for led



(No Model J. P. BOEHNER. LOOSE LEAF BINDER FOR LEDGERS.

No. 583,244 Patented'May 25,1897.

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NITED STATES PATENT OFFICE.

JACOB P. BOEIINER, OF SOUTH BEND, INDIANA.

LOOSE-LEAF BINDER FOR LEDGERS.

SPECIFICATION forming part of Letters Patent No. 583,244, dated May 25,1897.

Application filed January 11, 1897. Serial No. 618 ,774. (N model.)

To all whom it may concern:

Be it known that I, J ACOB P. BOEHNER, a, citizen of the United States,and a resident of South Bend, in the county of St. Joseph and State ofIndiana, have invented certain new and useful Improvements in Loose-LeafBinders for Ledgers, &c., of which the following is a specification.

My invention relates to a binder especially designed for holding loosesheets, as ledgerleaves, bills, and separate sheets of paper, to bebound together in book form, and thus securely held in proper order tobe filed away 1 or handled.

My invention consists, first, in novel means for connecting andadjusting back-clamping strips which are flexibly connected to thebackboards in a well-known manner, and also in so forming the stub endsof the separate leaves that they will interlock in a novel manner withthe devices which adjustably connect the back-clamping strip.

In the accompanying drawings, Figure 1 is a perspective view of thebinder, and Fig. 2 a sectional elevation through the back-clamp ingstrips and their connecting devices and through a number of loose sheetsheld therein.

The binder is formed of two like sections A, each comprisingback-clamping strips a a and backboards A, flexibly connected therewithin any Well-known. or preferred manner.

A connecting-plate B of rectangular crosssection is rigidly secured toone of the strips Ct at the middle thereof to project therefrom at rightangles, and a sleeve 0, preferably of sheet metal, is fixed securely atone end to the opposite clamping-strip a to receive the plate B andtelescope or slide thereon and is formed with a rectangular slot 1)therein to receive a set-bolt D, which screws into the plate B and isprovided with a head and washer d to clamp the sleeve securely to theplate and admit of the adjustment of one upon the other. The ends of theclamping-strip also have tubular guide-rods E secured fixedly thereto,which snugly fit and telescope within corresponding tubular guide-rodsE, secured at one end fixedly to the clampingstrip a of the binder.Spiral springs F are contained within the guide-rods E and E and serveto push or press the strips a and a apart, as clearly shown in Fig. 2,when the set-bolt D is released, and thus give ample space between thesaid clamping-strips to allow the separate sheets to be turned up at thesides,

as shown by dotted lines in said figure, when the sheets are attachedtothe binder.

The sheets G are preferably made with a rectangular back notch or recessg to fit snugly around three sides of the plate B and with a slot g ateither side thereof of a width corresponding to the diameter of theguiderods E E to receive said rods, which thus serve to securely unitethe back edge of the leaves to the binder.

The back edge of the several leaves or sheets G are preferably foldedover to form a double thickness of a width corresponding to the width ofthe clamping-strips, thus reinforcing the leaves where they require itand providing a more solid back, While the leaves may be so held thatthey may be easily turned.

I claim as my invention and desire to secure by Letters Patent In aself-binder the combination with the back-edge-clamping strips havingbackboards flexibly connected therewith, the middle slide-plate, thesleeve adjustably secured thereto, the telescopic guide-rods upon eachside thereof and the separate leaves each having a back notch or recess,and slots formed in the sides of said leaves to embrace the guide-rods,substantially as described.

In testimony that I claim the foregoing as my invention I have signed myname in the presence of two subscribing witnesses.

JACOB P. BOEHNER.

Witnesses:

B. KRUEPT, O. H. ZABELER.

